Effect of an external electric field on the electron paramagnetic resonance (EPR) spectra of Gd3+ ions and the types of impurity centers in zinc tungstate single crystals

1970 ◽  
Vol 11 (2) ◽  
pp. 247-250 ◽  
Author(s):  
G. B. Bokii ◽  
I. A. Gavrilov ◽  
A. T. Sobolev ◽  
V. B. Kravchenko ◽  
O. F. Dudnik ◽  
...  
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Electric Field ◽  
Single Crystals ◽  
External Electric Field ◽  
Epr Spectra ◽  
Paramagnetic Resonance ◽  
Zinc Tungstate ◽  
Impurity Centers ◽  
Electron Paramagnetic

Growth and EPR properties of KSm(WO4)2 and KEr(WO4)2 single crystals

Open Physics ◽  
2012 ◽  
Vol 10 (2) ◽  
Author(s):  
Grzegorz Leniec ◽  
Tomasz Skibiński ◽  
Slawomir Kaczmarek ◽  
Przemyslaw Iwanowski ◽  
Marek Berkowski
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Hyperfine Structure ◽  
Single Crystals ◽  
Angular Dependence ◽  
Growth Conditions ◽  
Magnetic Interactions ◽  
Epr Spectra ◽  
Paramagnetic Resonance ◽  
Temperature Dependences ◽  
Electron Paramagnetic

AbstractGrowth conditions and electron paramagnetic resonance investigations of two well oriented KSm(WO4)2 and KEr(WO4)2 single crystals have been presented and discussed. Hyperfine structure of Sm3+ ion was detected and analyzed for angular and temperature dependences. EPR spectra of KEr(WO4)2 and its angular dependence showed the presence of 5 magnetically nonequivalent Er centers in the crystal. A change in the type of magnetic interactions was analyzed using mixed (Gaussian and Lorentzian) fits of the EPR spectra.

Single Crystal Electron Paramagnetic Resonance of Dimethylammonium and Ammonium Hybrid Formate Frameworks: Influence of External Electric Field

2017 ◽  
Vol 121 (30) ◽  
pp. 16533-16540 ◽  
Author(s):  
Mantas Šimėnas ◽  
Anastasia Kultaeva ◽  
Sergejus Balčiu̅nas ◽  
Monika Trzebiatowska ◽  
Daniel Klose ◽  
...  
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Electric Field ◽  
Single Crystal ◽  
External Electric Field ◽  
Paramagnetic Resonance ◽  
Crystal Electron ◽  
Electron Paramagnetic

Temperature Independent Isotropic EPR Spectra of [(CH3)4N]2MnCl4 and [(CH3)4N]2FeCl4 Single Crystals

1999 ◽  
Vol 54 (8-9) ◽  
pp. 557-558 ◽  
Author(s):  
F. Köksal ◽  
Ş. Bahadir ◽  
E. Başaran ◽  
Y. Yerli
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Single Crystals ◽  
Temperature Interval ◽  
Epr Spectra ◽  
Hindered Rotation ◽  
Paramagnetic Resonance ◽  
Electron Paramagnetic

Electron paramagnetic resonance of [(CH3)4N]2MnCl4 and [(CH3)4N]2FeCl4 single crystals was studied between 20 and 400 K. The peak-to-peak derivative linewidths of these crystals seem not to change in this temperature interval and approximately 100 mT for [(CH3)4N]2MnCl4 and ~20 mT for [(CH3)4N]2FeCl4 .The spectra were found to be isotropic, with g = 2.0039 for [(CH3)4N]2MnCl4 and g = 2.0042 for [(CH3)4N]2FeCl4 .This temperature independence is attributed to isotropic strong ex-change interactions of Mn2- and Fe2+ nuclei, and it seems that hindered rotation of the MnCl42- and FeCl42- tetrahedra does not occur in this temperature interval.

EPR of VO2+ in ZnTiF6 · 6H2O

1996 ◽  
Vol 51 (4) ◽  
pp. 245-248
Author(s):  
Geetha Jayaram ◽  
V. G. Krishnan
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Single Crystals ◽  
Spin Hamiltonian ◽  
Paramagnetic Resonance ◽  
Tutton Salts ◽  
Bonding Parameters ◽  
Superhyperfine Structure ◽  
Vanadyl Ion ◽  
Electron Paramagnetic

Abstract Electron Paramagnetic Resonance (EPR) studies have been carried out on the vanadyl (VO2) ion doped in single crystals of ZnTiF6 • 6H2O. The spectra indicate the presence of one set of eight lines characteristic of only one occupation site. The V-O bond orientation is along one of the three Zn-H2O bond directions in the trigonally distorted [Zn(H2O)6] octahedra. This behaviour is unlike that reported for vanadyl ion substituting for the M(H2O)6 sites in the Tutton salts, alums and AlCl3 • 6H2O. The Spin-Hamiltonian and bonding parameters for the [VO(H2O)5] complex have been evaluated. The hyperfine linewidths are 0.8 mT at 300 K and 77 K. No proton superhyperfine structure was observed at both these temperatures.

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